72021978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{571603}}^1$

素因数の和:571618

約数の個数: 24

約数和(自身を含む): 178340448

約数和(自身を除く): 106318470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 571603, 1143206, 1714809, 3429618, 4001221, 5144427, 8002442, 10288854, 12003663, 24007326, 36010989, 72021978]

約数ペア:

[(1, 72021978), (2, 36010989), (3, 24007326), (6, 12003663), (7, 10288854), (9, 8002442), (14, 5144427), (18, 4001221), (21, 3429618), (42, 1714809), (63, 1143206), (126, 571603)]